WallSpec WallSpec::fromMapSide(LineSide const &side, int section) // static
{
bool const isTwoSidedMiddle = (section == LineSide::Middle && !side.considerOneSided());
WallSpec spec(section);
if(side.line().definesPolyobj() || isTwoSidedMiddle)
{
spec.flags &= ~WallSpec::ForceOpaque;
spec.flags |= WallSpec::NoEdgeDivisions;
}
if(isTwoSidedMiddle)
{
if(viewPlayer && ((viewPlayer->shared.flags & (DDPF_NOCLIP|DDPF_CAMERA)) ||
!side.line().isFlagged(DDLF_BLOCKING)))
spec.flags |= WallSpec::NearFade;
spec.flags |= WallSpec::SortDynLights;
}
// Suppress the sky clipping in debug mode.
if(devRendSkyMode)
spec.flags &= ~WallSpec::SkyClip;
if(side.line().definesPolyobj())
spec.flags |= WallSpec::NoFakeRadio;
bool useLightLevelDeltas = useWallSectionLightLevelDeltas(side, section);
if(!useLightLevelDeltas)
spec.flags |= WallSpec::NoLightDeltas;
// We can skip normal smoothing if light level delta smoothing won't be done.
if(!useLightLevelDeltas || !rendLightWallAngleSmooth)
spec.flags |= WallSpec::NoEdgeNormalSmoothing;
return spec;
}
/// @todo fixme: Should use the visual plane heights of sector clusters.
bool R_SideBackClosed(LineSide const &side, bool ignoreOpacity)
{
if(!side.hasSections()) return false;
if(!side.hasSector()) return false;
if(side.line().isSelfReferencing()) return false; // Never.
if(side.considerOneSided()) return true;
Sector const &frontSec = side.sector();
Sector const &backSec = side.back().sector();
if(backSec.floor().heightSmoothed() >= backSec.ceiling().heightSmoothed()) return true;
if(backSec.ceiling().heightSmoothed() <= frontSec.floor().heightSmoothed()) return true;
if(backSec.floor().heightSmoothed() >= frontSec.ceiling().heightSmoothed()) return true;
// Perhaps a middle material completely covers the opening?
if(side.middle().hasMaterial())
{
MaterialAnimator &matAnimator = side.middle().material().getAnimator(Rend_MapSurfaceMaterialSpec());
// Ensure we have up to date info about the material.
matAnimator.prepare();
if(ignoreOpacity || (matAnimator.isOpaque() && !side.middle().blendMode() && side.middle().opacity() >= 1))
{
// Stretched middles always cover the opening.
if(side.isFlagged(SDF_MIDDLE_STRETCH))
return true;
if(side.leftHEdge()) // possibility of degenerate BSP leaf
{
coord_t openRange, openBottom, openTop;
openRange = visOpenRange(side, &openBottom, &openTop);
if(matAnimator.dimensions().y >= openRange)
{
// Possibly; check the placement.
WallEdge edge(WallSpec::fromMapSide(side, LineSide::Middle),
*side.leftHEdge(), Line::From);
return (edge.isValid() && edge.top().z() > edge.bottom().z()
&& edge.top().z() >= openTop && edge.bottom().z() <= openBottom);
}
}
}
}
return false;
}
void Cl_ReadSideDelta(dint /*deltaType*/)
{
/// @todo Do not assume the CURRENT map.
world::Map &map = App_World().map();
dint const index = Reader_ReadUInt16(msgReader);
dint const df = Reader_ReadPackedUInt32(msgReader); // Flags.
LineSide *side = map.sidePtr(index);
DENG2_ASSERT(side != 0);
if (df & SIDF_TOP_MATERIAL)
{
dint matIndex = Reader_ReadPackedUInt16(msgReader);
side->top().setMaterial(Cl_LocalMaterial(matIndex));
}
if (df & SIDF_MID_MATERIAL)
{
dint matIndex = Reader_ReadPackedUInt16(msgReader);
side->middle().setMaterial(Cl_LocalMaterial(matIndex));
}
if (df & SIDF_BOTTOM_MATERIAL)
{
dint matIndex = Reader_ReadPackedUInt16(msgReader);
side->bottom().setMaterial(Cl_LocalMaterial(matIndex));
}
if (df & SIDF_LINE_FLAGS)
{
// The delta includes the entire lowest byte.
dint lineFlags = Reader_ReadByte(msgReader);
Line &line = side->line();
line.setFlags((line.flags() & ~0xff) | lineFlags, de::ReplaceFlags);
}
if (df & (SIDF_TOP_COLOR_RED | SIDF_TOP_COLOR_GREEN | SIDF_TOP_COLOR_BLUE))
{
Vector3f newColor = side->top().color();
if (df & SIDF_TOP_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_TOP_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_TOP_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
side->top().setColor(newColor);
}
if (df & (SIDF_MID_COLOR_RED | SIDF_MID_COLOR_GREEN | SIDF_MID_COLOR_BLUE))
{
Vector3f newColor = side->middle().color();
if (df & SIDF_MID_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_MID_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_MID_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
side->middle().setColor(newColor);
}
if (df & SIDF_MID_COLOR_ALPHA)
{
side->middle().setOpacity(Reader_ReadByte(msgReader) / 255.f);
}
if (df & (SIDF_BOTTOM_COLOR_RED | SIDF_BOTTOM_COLOR_GREEN | SIDF_BOTTOM_COLOR_BLUE))
{
Vector3f newColor = side->bottom().color();
if (df & SIDF_BOTTOM_COLOR_RED)
newColor.x = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_BOTTOM_COLOR_GREEN)
newColor.y = Reader_ReadByte(msgReader) / 255.f;
if (df & SIDF_BOTTOM_COLOR_BLUE)
newColor.z = Reader_ReadByte(msgReader) / 255.f;
side->bottom().setColor(newColor);
}
if (df & SIDF_MID_BLENDMODE)
{
side->middle().setBlendMode(blendmode_t(Reader_ReadInt32(msgReader)));
}
if (df & SIDF_FLAGS)
{
// The delta includes the entire lowest byte.
dint sideFlags = Reader_ReadByte(msgReader);
side->setFlags((side->flags() & ~0xff) | sideFlags, de::ReplaceFlags);
}
}